GREAT FALLS HYDRO PROJECT
OperatingHydro power plant
- Capacity
- 11 MW
- Primary fuel
- Hydro
- County
- Passaic County
- Operator
- GREAT FALLS HYDROELECTRIC
- Status
- Operating
- Commissioned
- 1985
- EIA plant ID
- 52068
- Coordinates
- 40.9153, -74.1810
GREAT FALLS HYDRO PROJECT, an 11 MW Hydro power plant in Passaic County, New Jersey. Operated by GREAT FALLS HYDROELECTRIC, commissioned 1985.
Weather peril exposure
GREAT FALLS HYDRO PROJECT is an 11 MW hydro power plant in Passaic County, NJ, operated by GREAT FALLS HYDROELECTRIC, commissioned in 1985. Passaic County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 5th national percentile. Lightning is the leading peril, rated Very High by FEMA at the 94th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Passaic County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Very High | 94th | 4.8 of 5 | 31.5 |
| Riverine flooding | Relatively High | 84th | 4.4 of 5 | 3.5 |
| Earthquake | Relatively Moderate | 75th | 4.0 of 5 | <0.01 |
| Hurricane | Relatively Moderate | 68th | 3.7 of 5 | 0.09 |
| Winter weather | Very High | 41st | 2.7 of 5 | 13.1 |
| Tornado | Relatively Moderate | 23rd | 1.9 of 5 | 0.07 |
| Wildfire | Very Low | 22nd | 1.9 of 5 | <0.01 |
| Strong wind | Very High | 22nd | 1.9 of 5 | 5.6 |
| Ice storm | Relatively Moderate | 7th | 1.3 of 5 | 0.88 |
| Coastal flooding | Very Low | 7th | 1.3 of 5 | 0.01 |
| Hail | Very Low | 3rd | 1.1 of 5 | 2.4 |
| Heat wave | Relatively Moderate | 1st | 1.0 of 5 | 7.0 |
Model hail, wind and flood exposure for Passaic County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.